Home / 2,938.07-4,407.82-1,089.25

Finding the Fourth Proportional to 2,938.07, 4,407.82 and 1,089.25

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Solution

The fourth proportional to 2,938.07, 4,407.82 and 1,089.25 is: 1,634.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.07 : 4,407.82 = 1,089.25 : x
  2. Step 2: Convert to fraction form
    2,938.07/4,407.82 = 1,089.25/x
  3. Step 3: Cross multiply
    2,938.07x = 4,407.82 × 1,089.25
  4. Step 4: Simplify right side
    2,938.07x = 4,801,204.19
  5. Step 5: Solve for x
    x = 4,801,204.19/2,938.07
  6. Step 6: Final answer
    x = 1,634.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.